Sony A700 High ISO Noise Reduction
The Sony A700 applies high ISO noise reduction at ISO 1,600 and higher. Its three high ISO noise-reduction settings allow you some flexibility in choosing how you want to make the tradeoff between subject detail and noise levels. Maximum burst speed drops to 3.5 frames-per-second when high ISO NR is set to "High".
Note that these crops were taken from images captured by an A700 with v2 firmware loaded. Sony has since released v3 firmware, but the fixes that it implements do not impact image quality.
See for yourself how the noise reduction works under simulated daylight lighting. Click on any of the crops below to see the corresponding full-sized image.
| High ISO Noise Reduction Comparison Simulated Daylight |
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Hi ISO NR
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Low
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Normal
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High
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ISO 1600
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Hi ISO NR
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Low
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Normal
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High
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ISO 3200
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Hi ISO NR
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Low
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Normal
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High
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ISO 6400
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The above crops show the effects of the 3 levels of high ISO noise reduction, under our studio HMI lighting we use to simulate daylight. Note that the Sony A700 doesn't have an "Off" setting.
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Note: For details, test results, and analysis of the many tests done with this camera, please click on the tabs at the beginning of the review or below.
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